Williams P233100 Thermocouple 90" WC vacuum with a

90" WC vacuum with a manometer is the first step

Replace the blade if you notice cracks

If you notice glazed sidewalls

Using a switch with an incorrect pressure rating can lead to premature shutdown or unsafe operating conditions

Key Benefits for Technicians: Enhanced Signal Stability: Prevents sensor fluctuation by providing a stable reference point away from high-velocity air streams

Williams P233100 Thermocouple 90" WC vacuum with aThe Williams P233100 Thermocouple is a high performance replacement thermocouple engineered specifically for technical integration within Williams Forsaire Top Vent furnaces. This OEM quality component is critical for maintaining the pilot light assembly, ensuring the safety of the gas control valve by generating the necessary millivoltage through thermal to electrical conversion. Designed to withstand the rigorous thermal cycles of residential and